4. A bag contains certain balls of same shape, size and weight but of different colours.
There are 5 red balls. 8 white balls. 4 green balls and 7 black balls in all. One
ball is selected at random from the bag. Find the probability that the selected ball
is black
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Answer:
probability of getting a black ball is=7/24
Step-by-step explanation:
total balls=5+8+4+7
=24
no. of black balls=7
therefore, probability of getting a black ball is=7/24
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